<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    // 1. 用户输入
    let num = +prompt('请输入一个数字:')
    // 2. 弹出结果
    alert(num % 4 === 0 && num % 100 !== 0)
  </script>
</body>

</html>